Article (Scientific journals)
Piezoelectric responses of PVDF-KBT electrospun nanocomposite fibres via nanoscale mapping
Tran, Van Dang; Truong, Hong-Cuong; Nguyen, Thanh Vinh et al.
2023In Ceramics International, 49 (23), p. 38288 - 38296
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Keywords :
Nano-Raman; Nanocomposite fibers; PFM; Piezoelectric generator; PVDF-KBT; Electrospuns; Nano-raman; Nanoscale mapping; Piezoelectric generators; Piezoelectric property; Piezoelectric response; Polyvinylidene fluoride-KBT; Polyvinylidene fluorides; Electronic, Optical and Magnetic Materials; Ceramics and Composites; Process Chemistry and Technology; Surfaces, Coatings and Films; Materials Chemistry
Abstract :
[en] The piezoelectric properties of polyvinylidene fluoride (PVDF) and K0·5Bi0·5TiO3 (KBT) electrospun composite nanofibers were studied in view of their application for Piezoelectric generator (PEG) devices. The orientation of the polar β-phase throughout the PVDF/KBT nanofibers was investigated at the nanoscale, revealing a maximum β-phase content of 67%. Remarkably enhanced piezoelectric responses were observed in the PVDF-KBT composite, supported by comprehensive analyses including local hysteresis loops piezoresponse mapping and advanced mapping AFM-based techniques. The PVDF/KBT nanofiber-based PEG demonstrated consistent performance, with an output voltage of 16 V, a current of 0.85 μA/cm2, and a power density of 13.6 μW/cm2 at 107 Ω, showcasing its potential as a sustainable energy solution with the ability to recharge portable electronic devices.
Disciplines :
Physical, chemical, mathematical & earth Sciences: Multidisciplinary, general & others
Author, co-author :
Tran, Van Dang ;  International Training Institute for Materials Science, Hanoi University of Science and Technology, Hanoi, Viet Nam
Truong, Hong-Cuong;  International Training Institute for Materials Science, Hanoi University of Science and Technology, Hanoi, Viet Nam
Nguyen, Thanh Vinh;  International Training Institute for Materials Science, Hanoi University of Science and Technology, Hanoi, Viet Nam
Leclère, Philippe  ;  Université de Mons - UMONS > Faculté des Science > Service de Physique des Nanomatériaux et Energie
Duong, Thanh-Tung;  International Training Institute for Materials Science, Hanoi University of Science and Technology, Hanoi, Viet Nam
Bui, Thi Hang;  International Training Institute for Materials Science, Hanoi University of Science and Technology, Hanoi, Viet Nam
Nguyen, Van Quy;  International Training Institute for Materials Science, Hanoi University of Science and Technology, Hanoi, Viet Nam
Language :
English
Title :
Piezoelectric responses of PVDF-KBT electrospun nanocomposite fibres via nanoscale mapping
Publication date :
December 2023
Journal title :
Ceramics International
ISSN :
0272-8842
eISSN :
1873-3956
Publisher :
Elsevier Ltd
Volume :
49
Issue :
23
Pages :
38288 - 38296
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
S867 - Physique des Nanomatériaux et Energie
Research institute :
R400 - Institut de Recherche en Science et Ingénierie des Matériaux
Funders :
Bộ Giáo dục và Ðào tạo
Funding text :
This work is funded by the Ministry of Education and Training (MOET) , Vietnam under the project (No. B2022-BKA-13 ).
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since 06 January 2024

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